Table I

Linear correlations (Pearson coefficient, r) computed between morphological traits, F1 and F2 axes of PCA (see Fig. 4) and epigenetic variables. Only significant values are indicated by asterisk: * P ≤ 0.05, ** P ≤ 0.01 and *** P ≤ 0.001. “Control”and “Stressed”represent plants in well-watered or in water deficit conditions, respectively.